/krɪmɪnl ʌndərˌwɜrld/ – Phrase
Definition: thế giới tội phạm, thế giới ngầm, tình trạng phạm tội có tội chức.
A more thorough explanation: The term “criminal underworld” refers to a clandestine network of individuals and organizations engaged in illegal activities such as organized crime, drug trafficking, money laundering, and other criminal enterprises. This term is often used to describe the hidden and interconnected world of criminal activities that operate outside of the boundaries of the law.
Example: The defendant was found guilty of multiple charges related to his involvement in the criminal underworld, including racketeering and money laundering.